packing seal
短語詞組
- packing box seal 填料函密封
- lumped packing -seal 集裝式填料密封
- Packing oil seal 迫緊油封
- STEM PACKING or SEAL 填料或密封
- packing g seal 密封墊
- packing shaft seal 填料軸封
- packing water seal 水封
- HYDRAULIC PACKING & SEAL 國別
- double -stage packing element seal 雙級膠芯密封 返回 packing seal